Security Advisory

CVE-2025-66274

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-11 12:15:49
Last updated 2026-06-09 06:17:38
Assigner qnap
State PUBLISHED

Description

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.2.3354 build 20251225 and later QuTS hero h6.0.0.3397 build 20260206 and later